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NEET UG BIOLOGY MCQ: MINERAL NUTRITION
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During biological nitrogen fixation, inactivation of nitrogenase by oxygen poisoning prevented by:
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Correct option: B
Leghaemoglobin
Option B (Leghaemoglobin) is correct because leghaemoglobin scavenges oxygen, protecting nitrogenase from inactivation during biological nitrogen fixation.
More Questions from MINERAL NUTRITION
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Toxicity of prevent / affect uptake of
Select the match ones.
I Nitrosomonas – Nitrite to nitrate
II Thiobacillus - Denitrification
III Nostoc - Free-living nitrogen-fixer
IV Azotobacter - Anaerobic nitrogen-fixer Deficiency of which to the following can cause yellowing of intravenous regions of leaves? Which among the following are used as media for hydroponics? Elements mainly involved in cell membrane synthesis, in normal functioning of the cell membrane are The major characteristics of colloids is/are
I Nitrosomonas – Nitrite to nitrate
II Thiobacillus - Denitrification
III Nostoc - Free-living nitrogen-fixer
IV Azotobacter - Anaerobic nitrogen-fixer Deficiency of which to the following can cause yellowing of intravenous regions of leaves? Which among the following are used as media for hydroponics? Elements mainly involved in cell membrane synthesis, in normal functioning of the cell membrane are The major characteristics of colloids is/are